I have a very good E52b that comes from LA8AK.
It was without paint.
I have painted it with new paint.
But how can I get printed on the letters on the front plate.
The markings are very important.
The first picture is the radio without marking.
The second picture is one that has been restored before I bought it.
The third picture is an original labeling.
What can I do to make such labeling?
And what can I do with the colored field?

Looks like a decal to me. You can go to a printing store, and get the decals printed out. You need a high-resolution image file and the exact size of the image. I've done this before. My original is below:

I think your grey paint is too thik
the grey pain have filled the engraving on the front plate.
Before paint clean the engraving down to metal, remove all the white paint.
use a thin cover of grey after, the engraving must be visible.
When the grey paint is totaly dry.
Then fill the engraving with white paint or tippex

I suspect that the front panel is not orignal (apart from the raised bit around the frequency dial) so filling in won't work. The only thing that will get relatively crisp lettering on the new flat aluminium is to to get transfers printed or find somebody that can print directly onto the metal.

Thanks for the answers.
I have learned a lot.
I can look at the photo that there is a trace of the old markings.
So I have to try, by hand, to paint the letters.
I can also set up a video projector that shows where I am going to paint letters.
Thank you Yuri D I would like to have an HD picture of the frequency tag.
Hope it will be fine.
This receiver is very good and I use it a lot.
Greetings LA6NCA

The best solution is to remove the grey painting too thik
Remove all the old painting in the engraving.
Make a new gray paint very thin
And then fill the marking with white paint
In my opinion it is the only way to have the original look.

For the color marking at the left of the scales try to use a product like "decapfour" used in France to cleean the oven.
This product used carefully dissolves the new paintings but does not remove old german painting.

Since the front plate isn't original anyway i'd use laser engraving for text and
symbols for the control knobs. Later i'd fill the grooves with white paint. You just need nice original photos of the text and markings and rest is a easy job for any laser engraving shop.